<html>
    <title>上传文件</title>
    <body>
    <form action="controller.php" enctype="multipart/form-data" method="post">
        <input type="file" name="up"/>
        <input type="file" name="images[]"/>
        <input type="file" name="images[]"/>
        <input type="file" name="images[]"/>
        <button type="submit">提交</button>
    </form>
    </body>
</html>